4.15 psb_gediv — Entrywise Division

This function computes the entrywise division between two vectors x and y

∕ ← x(i)∕y(i).

psb_gediv(x, y, desc_a, info, [flag)




, x, y Function


Short Precision Real psb_gediv
Long Precision Real psb_gediv
Short Precision Complexpsb_gediv
Long Precision Complex psb_gediv



Table 15: Data types

Type:
Synchronous.
On Entry
x
the local portion of global dense vector x.
Scope: local
Type: required
Intent: in.
Specified as: an object of type psb_T_vect_type containing numbers of type specified in Table 2.
y
the local portion of global dense vector y.
Scope: local
Type: required
Intent: in.
Specified as: an object of type psb_T_vect_type containing numbers of type specified in Table 2.
desc_a
contains data structures for communications.
Scope: local
Type: required
Intent: in.
Specified as: an object of type psb_desc_type.
flag
check if any of the y(i) = 0, and in case returns error halting the computation.
Scope: local
Type: optional Intent: in.
Specified as: the logical value flag=.true.
On Return
x
the local portion of result submatrix x.
Scope: local
Type: required
Intent: inout.
Specified as: an object of type psb_T_vect_type containing numbers of the type indicated in Table 14.
info
Error code.
Scope: local
Type: required
Intent: out.
An integer value; 0 means no error has been detected.